Documenta ophthalmologica. Advances in ophthalmology · 2023
Bilateral macular hole in a patient with CAPN5-related neovascular inflammatory vitreoretinopathy.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Choi Yong Je, Woo Se Joon, Joo Kwangsic
Аннотация
PURPOSE: To characterize the genotype and phenotype of a patient with CAPN5-related neovascular inflammatory vitreoretinopathy (NIV) who have undergone surgery for macular holes.
METHODS: We observed a patient presenting with retinitis pigmentosa and posterior uveitis who later developed vitreoretinal macular traction and a macular hole. Genetic testing was performed using a targeted gene panel. Fundus photography and spectral-domain optical coherence tomography were also performed.
RESULTS: In a targeted gene panel, a monoallelic pathogenic variant, c.750G > T, p.Lys250Asn, in the CAPN5 gene was identified, and CAPN5-NIV was diagnosed. At the first visit, peripheral retinal degeneration and mild posterior uveitis were observed. At that time, neovascularization, epiretinal or fibrous membranes were not observed. After 5 years, vitreomacular traction developed and progressed to a full-thickness macular hole in both eyes. After pars plana vitrectomy, the macular hole was successfully closed without aggravation of uveitis.
CONCLUSION: In this case, a pathogenic variant of CAPN5 lead to a distinct phenotype of retinitis pigmentosa, posterior uveitis, vitreomacular traction, and macular hole without typical inflammatory neovascularization or tractional membranes. Therefore, the clinical variability of CAPN5-NIV and genetic diagnosis should be considered in cases of atypical retinitis pigmentosa with bilateral macular hole.
METHODS: We observed a patient presenting with retinitis pigmentosa and posterior uveitis who later developed vitreoretinal macular traction and a macular hole. Genetic testing was performed using a targeted gene panel. Fundus photography and spectral-domain optical coherence tomography were also performed.
RESULTS: In a targeted gene panel, a monoallelic pathogenic variant, c.750G > T, p.Lys250Asn, in the CAPN5 gene was identified, and CAPN5-NIV was diagnosed. At the first visit, peripheral retinal degeneration and mild posterior uveitis were observed. At that time, neovascularization, epiretinal or fibrous membranes were not observed. After 5 years, vitreomacular traction developed and progressed to a full-thickness macular hole in both eyes. After pars plana vitrectomy, the macular hole was successfully closed without aggravation of uveitis.
CONCLUSION: In this case, a pathogenic variant of CAPN5 lead to a distinct phenotype of retinitis pigmentosa, posterior uveitis, vitreomacular traction, and macular hole without typical inflammatory neovascularization or tractional membranes. Therefore, the clinical variability of CAPN5-NIV and genetic diagnosis should be considered in cases of atypical retinitis pigmentosa with bilateral macular hole.